Home / 149,205,895.20-223,742,487.60-68,451,616.80

Finding the Fourth Proportional to 149,205,895.20, 223,742,487.60 and 68,451,616.80

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Solution

The fourth proportional to 149,205,895.20, 223,742,487.60 and 68,451,616.80 is: 102,646,983.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    149,205,895.20 : 223,742,487.60 = 68,451,616.80 : x
  2. Step 2: Convert to fraction form
    149,205,895.20/223,742,487.60 = 68,451,616.80/x
  3. Step 3: Cross multiply
    149,205,895.20x = 223,742,487.60 × 68,451,616.80
  4. Step 4: Simplify right side
    149,205,895.20x = 15,315,535,023,073,950
  5. Step 5: Solve for x
    x = 15,315,535,023,073,950/149,205,895.20
  6. Step 6: Final answer
    x = 102,646,983.23

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.